锘??xml version="1.0" encoding="utf-8" standalone="yes"?>伊人久久综合热线大杳蕉下载,97久久超碰国产精品2021,午夜不卡久久精品无码免费http://www.shnenglu.com/sunshinealike/category/13419.html鍗婂畬緹庝富涔?/description>zh-cnSat, 03 Jul 2010 06:15:16 GMTSat, 03 Jul 2010 06:15:16 GMT60Python緙栫▼緇冧範涓錛歋taffSalaryApphttp://www.shnenglu.com/sunshinealike/archive/2010/04/23/113343.htmlSunshine AlikeSunshine AlikeFri, 23 Apr 2010 08:30:00 GMThttp://www.shnenglu.com/sunshinealike/archive/2010/04/23/113343.htmlhttp://www.shnenglu.com/sunshinealike/comments/113343.htmlhttp://www.shnenglu.com/sunshinealike/archive/2010/04/23/113343.html#Feedback0http://www.shnenglu.com/sunshinealike/comments/commentRss/113343.htmlhttp://www.shnenglu.com/sunshinealike/services/trackbacks/113343.html涓婃墜闈炲父綆鍗曪紝鏈夎繃涓瀹氱紪紼嬬粡楠岀殑浜哄ぇ綰﹀彲浠ュ湪鍑犱釜灝忔椂涔嬪唴鎺屾彙鍩烘湰鐨凱ython緙栫▼鏂規硶銆?br />姝eソ鍦ㄥ涔犺璁℃ā寮忚紼嬶紝浼氭湁鍑犳璇劇▼浣滀笟錛屽氨鐩存帴鎷胯繃鏉ユ潈褰揚ython鐨勪竴嬈$紪紼嬬粌涔犱簡
絎竴嬈′換鍔$畝浠嬶細
瀹炵幇涓涓鐞嗛泧鍛樿柂姘寸殑宸ュ叿錛屽彲浠ユ墦鍗板嚭鍛樺伐鐨勮柂姘翠俊鎭?br />闆囧憳鍒嗕負鏅氬拰緇忕悊錛屽悇鑷湁涓嶅悓鐨勮柂姘磋綆楁柟娉曘?br />
Ok錛孡et's go錛?br />棣栧厛澶嶄範涓涓婸ython閲岀殑闈㈠悜瀵硅薄鐩稿叧鐭ヨ瘑錛屽畾涔変竴涓泧鍛樼殑鍩虹被EmployeeBase
騫朵笖鍦╛_init__鏂規硶閲屽畾涔変簡涓変釜鎴愬憳name, base_salary鍜宱vertime_days
闇瑕佹敞鎰忕殑灝辨槸鎵鏈夌殑綾繪垚鍛樻柟娉曞湪澹版槑鐨勬椂鍊欓兘闇瑕佹湁涓涓粯璁ょ殑鍙傛暟self錛岃繖涓浉褰撲簬this鎸囬拡鐨勪笢瑗垮繀欏昏鍐欎笂錛岃屼笖璁塊棶綾繪垚鍛樻垨鑰呮柟娉曚篃閮借鍔犱笂榪欎釜鍓嶇紑錛屼笉鐒朵細鍑洪敊銆?br />
1class聽EmployeeBase():
2聽聽聽聽"""Base聽class聽of聽all聽staffs"""
3聽聽聽聽def__init__(self,聽name聽="",聽basesalary聽=聽0,聽overtime聽=聽0):
4聽聽聽聽聽聽聽聽self.name聽=聽name
5聽聽聽聽聽聽聽聽self.base_salary聽=聽basesalary
6聽聽聽聽聽聽聽聽self.overtime_days聽=聽overtime
7聽聽聽聽def聽GetName(self):
8聽聽聽聽聽聽聽聽return聽self.name

鎺ヤ笅鏉ュ氨鏄櫘閫氶泧鍛樼被Employee錛岀戶鎵跨殑璇硶錛?span style="color: rgb(0, 0, 0);">Employee(EmployeeBase)
浠ュ強綾葷殑__doc__錛屽吇鎴愬啓娉ㄩ噴鐨勪範鎯?br /> Line 6錛?br />__init__騫朵笉鏄瀯閫犲嚱鏁幫紝騫朵笖Python閲屼篃娌℃湁鏋勯犲嚱鏁拌繖涓蹇點傛墍浠ヨ鎵嬪姩鐨勮皟鐢ㄥ熀綾葷殑__init__鏂規硶
GetSalary涓綆楄柂姘達紝鏅氶泧鍛樼殑鍔犵彮宸ヨ祫鏄弻鍊嶈綆楃殑銆?br />
聽1class聽Employee(EmployeeBase):
聽2聽聽聽聽"""Common聽employee聽class聽derived聽from聽EmployeeBase.
聽3聽聽聽聽A聽employee聽can聽has聽overtime聽salary,聽every聽overtime聽work's聽salary聽will聽be聽doubled
聽4聽聽聽聽"""
聽5聽聽聽聽def__init__(self,聽name="",聽basesalary=0,聽overtime=0):
聽6聽聽聽聽聽聽聽 EmployeeBase.__init__(self,name,basesalary,overtime)
聽7聽聽聽聽def聽GetStaffType(self):
聽8聽聽聽聽聽聽聽聽return"Employee"
聽9聽聽聽聽def聽GetSalary(self):
10聽聽聽聽聽聽聽聽return聽self.base_salary聽+聽self.base_salary/30*2*self.overtime_days
11聽聽聽聽def聽GetSalaryInfo(self):
12聽聽聽聽聽聽聽聽return聽self.name聽+"聽:聽"+聽self.GetStaffType()+"聽:聽"+聽str(self.GetSalary())

鍒拌繖閲岋紝闆囧憳綾誨凡緇忓畬鎴愶紝涓嬮潰灝辨槸鈥斺?b>鍗曞厓嫻嬭瘯銆備竴鑸垜浠ュ墠鍐欑▼搴忛兘寰堝皯鍐欏崟鍏冩祴璇曠殑錛屽洜涓哄緢璐規椂錛岃鍐欏緢澶氭祴璇曠殑浠g爜銆?br />浣嗘槸榪欓噷鎴戞兂鐗瑰埆灝濊瘯涓涓嬶紝浠ュ睍鐜癙ython閲岀殑鍚勭鐗規у拰宸ュ叿銆?br />鏂扮増鏈殑Python閲屾湁涓涓笓闂ㄧ敤浜庢祴璇曠殑unittest妯″潡錛屽鍏ュ氨鍙互浣跨敤浜嗭紝涓嬮潰鏂板緩涓涓猅estsalary.py榪涜鍗曞厓嫻嬭瘯銆?br />棣栧厛unittest妯″潡閲屾湁涓涓祴璇曠敤渚嬬殑鍩虹被TestCase錛屾垜浠彧瑕佸湪TestCase鐨勬淳鐢熺被閲屽畾涔夎嚜宸辯殑嫻嬭瘯鐢ㄤ緥鏂規硶灝卞彲浠ヤ嬌鐢ㄤ簡錛岃繖浜涙祴璇曠敤鍛芥柟娉曠敋鑷抽兘涓嶉渶瑕佽嚜宸辮皟鐢紝鍙鏂規硶鍚嶅瓧浠est寮澶?/b>錛孴estCase灝變細鑷姩鐨勮皟鐢ㄥ畠浠?br />鍦ㄤ笅闈㈢殑嫻嬭瘯浠g爜涓紝鎴戝畾涔変簡testNoneEmployee絳夊嚑涓祴璇曟柟娉曪紝涓昏鏄嬌鐢ㄤ簡TestCase閲岀殑assertEqual鏂規硶銆?br />
"""Unit聽test聽for聽salary.py"""
import聽unittest
from salary importEmployee

class聽TestEmployee(unittest.TestCase):
聽聽聽聽
"""Unit聽test聽for聽clas聽Employee"""
聽聽聽聽
def聽testNoneEmployee(self):
聽聽聽聽聽聽聽聽e聽
=聽Employee()
聽聽聽聽聽聽聽聽self.assertEqual(
"",e.GetName())
聽聽聽聽聽聽聽聽self.assertEqual(0,e.GetSalary())
聽聽聽聽聽聽聽聽self.assertEqual(
"Employee",e.GetStaffType())
聽聽聽聽
def聽testBaseSalary(self):
聽聽聽聽聽聽聽聽e聽
=聽Employee("emp",聽300)
聽聽聽聽聽聽聽聽self.assertEqual(
"emp",e.GetName())
聽聽聽聽聽聽聽聽self.assertEqual(
300,e.GetSalary())
聽聽聽聽聽聽聽聽self.assertEqual(
"Employee",e.GetStaffType())
聽聽聽聽
def聽testNoOvertime(self):
聽聽聽聽聽聽聽聽e聽
=聽Employee("emp",聽300,聽0)
聽聽聽聽聽聽聽聽self.assertEqual(
300,e.GetSalary())
聽聽聽聽聽聽聽聽self.assertEqual(
"emp聽:聽Employee聽:聽300",聽e.GetSalaryInfo())
聽聽聽聽
def聽testOvertime1(self):
聽聽聽聽聽聽聽聽e聽
=聽Employee("emp",聽300,聽1)
聽聽聽聽聽聽聽聽self.assertEqual(
320,e.GetSalary())
聽聽聽聽聽聽聽聽self.assertEqual(
"emp聽:聽Employee聽:聽320",聽e.GetSalaryInfo())
聽聽聽聽
def聽testOvertime2(self):
聽聽聽聽聽聽聽聽e聽
=聽Employee("emp",聽300,聽5)
聽聽聽聽聽聽聽聽self.assertEqual(
400,e.GetSalary())
聽聽聽聽聽聽聽聽self.assertEqual(
"emp聽:聽Employee聽:聽400",聽e.GetSalaryInfo())
聽聽聽聽聽聽聽聽
if__name__=="__main__":
聽聽聽聽unittest.main()
榪愯涔嬶紝鍑虹幇緇撴灉錛?br />
----------------------------------------------------------------------
Ran
5 tests聽in聽0.007s

OK
鍏ㄩ儴閫氳繃錛屽お娌℃剰鎬濅簡錛屾兂鐫瑕佸姞鐐逛粈涔堝ソ鍛€備笅闈㈡垜瀵規瀯閫燛mployee鐨勬椂鍊欏姞涓婂弬鏁扮殑媯鏌ワ紝涓嶅厑璁鎬笉姝g‘鐨勫弬鏁拌緭鍏ワ紝渚嬪鍚嶅瓧澶暱錛屽伐璧勫拰鍔犵彮澶╂暟涓鴻礋鏁扮瓑銆傛垜甯屾湜鍦ㄨ瘯鍥劇敤榪欎簺涓嶆紜殑鍙傛暟榪涜鍒涘緩Employee瀵硅薄鐨勬椂鍊欏嚭鐜板紓甯搞?br />鍦ㄦ祴璇曚唬鐮佷腑鍔犲叆鍙︿袱涓柟娉曪紝浣跨敤浜員estCase閲岀殑鍙︿竴涓柟娉?b>assertRaises
錛岃繖涓柟娉曞彲浠ユ嫻嬭嫻嬪璞℃槸鍚︽寜鎶涘嚭浜嗛鏈熺殑寮傚父銆傝繖涓柟娉曟帴鍙椾竴涓紓甯哥被鍨嬶紝鍜屼竴涓細浜х敓榪欑寮傚父鐨勨滃璞♀濓紝閫氬父鏄竴涓嚱鏁幫紝浠ュ強瀹冧滑鐨勫弬鏁?br />
聽聽聽聽def聽testInvalidName(self):
聽聽聽聽聽聽聽聽self.assertRaises(InvalidName,聽Employee,聽
"name聽too聽long")
聽聽聽聽
def聽testInvalidInput1(self):
聽聽聽聽聽聽聽聽self.assertRaises(InvalidInput,聽Employee,聽
"emp",聽-300)
聽聽聽聽
def聽testInvalidInput2(self):
聽聽聽聽聽聽聽聽self.assertRaises(InvalidInput,聽Employee,聽
"emp",聽300,聽-5)
涓ょ寮傚父綾葷殑鍚嶅瓧鍒嗗埆鍙獻nvalidName鍜孖nvalidInput錛岃繖涓嬫祴璇曢氫笉榪囦簡銆備笅闈㈠氨闇瑕佷慨鏀笶mployee綾伙紝棣栧厛鎻愪竴涓婸ython閲岀殑寮傚父澶勭悊錛屼嬌鐢╰ry...except...澶勭悊寮傚父錛宺aise鎶涘嚭寮傚父錛宖inally鍙互鐢ㄦ潵鍋氫竴浜涘杽鍚庡鐞嗗伐浣溿?br />涓嬮潰鍏堣瀹氫箟涓婇潰鐢ㄥ埌鐨勮繖涓ょ寮傚父錛孖nvalidName鍜孖nvalidInput錛岃繖閲岀畝鍗曠殑緇ф壙涓涓婸ython閲岀殑Exception綾誨氨鍙互浜嗭紝鐒跺悗淇敼Employee鐨刜_init__鏂規硶錛岃繘琛屽弬鏁扮殑鏌ユ錛屼慨姝e悗濡備笅錛?br />
#new聽type聽of聽Expceptions
class聽InvalidName(Exception):pass
class聽InvalidInput(Exception):pass


#錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞錛嶏紞


聽聽聽聽
def__init__(self,聽name="",聽basesalary=0,聽overtime=0):
聽聽聽聽聽聽聽聽
#raise聽exceptions聽if聽input聽is聽invalidate
聽聽聽聽聽聽聽聽if聽len(name)聽>8:
聽聽聽聽聽聽聽聽聽聽聽聽
raise聽InvalidName,聽"Error:聽Name聽too聽long!"
聽聽聽聽聽聽聽聽
if聽basesalary聽<聽0聽or聽basesalary聽>300000:
聽聽聽聽聽聽聽聽聽聽聽聽
raise聽InvalidInput,聽"Error:聽Base聽salary聽should聽between聽0~300000!"
聽聽聽聽聽聽聽聽
#use聽int(overtime)聽!=聽overtime聽to聽check聽if聽the聽input聽is聽int
聽聽聽聽聽聽聽聽if聽overtime聽<聽0聽or聽overtime聽聽>31or聽int(overtime)聽!=聽overtime:
聽聽聽聽聽聽聽聽聽聽聽聽
raise聽InvalidInput,聽"Error:聽Overtime聽should聽between聽0~31!"
聽聽聽聽聽聽聽聽EmployeeBase.
__init__(self,name,basesalary,overtime)
ps錛氬紓甯哥被鍨嬪悗闈㈢殑鏂囧瓧鏄負浜嗙粰錛屽紓甯稿鐞嗘彁渚涗俊鎭敤鐨勩?br />
OK錛岀涓姝ラ『鍒╁畬鎴愶紝涓嬮潰灝辨槸緇忕悊綾匯傜粡鐞嗙殑宸ヨ祫鐢卞姞鐝伐璧勫拰緇╂晥緇勬垚錛屽姞鐝伐璧勫彧璺熺粡鐞嗙殑絳夌駭鏈夊叧錛屽畠涓庣嘩鏁堝伐璧勯兘鏄竴涓浐瀹氬鹼紝鍩烘湰涓婃病鏈変粈涔堥毦搴︺?br />






]]>
Python錛丳ython錛侊紒http://www.shnenglu.com/sunshinealike/archive/2010/03/30/111060.htmlSunshine AlikeSunshine AlikeTue, 30 Mar 2010 14:34:00 GMThttp://www.shnenglu.com/sunshinealike/archive/2010/03/30/111060.htmlhttp://www.shnenglu.com/sunshinealike/comments/111060.htmlhttp://www.shnenglu.com/sunshinealike/archive/2010/03/30/111060.html#Feedback0http://www.shnenglu.com/sunshinealike/comments/commentRss/111060.htmlhttp://www.shnenglu.com/sunshinealike/services/trackbacks/111060.html
涓嬮潰璐翠竴鐐瑰涔犵殑絎旇錛?br />
涓銆佸熀鏈煡璇?/font>
Python鍚屾椂鍗蟲槸鑴氭湰瑙i噴鍣紝鍙堟槸涓涓彲浠ヨ繍琛屽懡浠よ鐨剆hell銆傚湪shell閲屽彲浠ヨ綆椾換鍔ython琛ㄨ揪寮忥紝鐢氳嚦鍖呮嫭鍙橀噺璧嬪鹼紝榪欎簺鍙橀噺鍦╯hell鎵撳紑鏃朵竴鐩存湁鏁堬紝鍏抽棴鏃朵涪澶辨暟鎹?br />
鍑芥暟澹版槑錛屼互def寮濮嬶紝鍑芥暟鍚嶏紝鍙傛暟錛屽啋鍙峰悗闈㈣窡鍑芥暟浣撱傞渶瑕佹敞鎰忕殑鏄疨ython閲岀殑鏍煎紡閮戒互緙╄繘鐨勫艦寮忔潵琛ㄨ揪錛屾病鏈夌被C/C++涓殑澶ф嫭鍙楓傚彟澶栧嚱鏁? 涓嶉渶瑕佹寚瀹氳繑鍥炲肩被鍨嬶紝瀹為檯涓婏紝濡傛灉鍑芥暟鏈塺eturn璇彞錛屽畠灝嗚繑鍥炴寚瀹氱被鍨嬪鹼紝鍚﹀垯榪斿洖None錛圥ython鐨勭┖鍊鹼級銆?br />
Python鍗蟲槸鍔ㄦ佽璦錛屽畠涓嶉渶瑕佹樉紺烘暟鎹被鍨嬪0鏄?/b>錛岃祴鍊肩殑鍚屾椂鍗沖畬鎴愬彉閲忓0鏄庛傚張鏄己綾誨瀷璇█錛屼竴涓彉閲忎竴鏃﹁幏寰椾竴涓暟鎹被鍨嬶紝瀹冨疄闄呬笂灝變竴鐩存槸榪欎釜綾誨瀷鐨勪簡銆?br />
Python閲岀殑鈥滃璞♀濇蹇碉紝榪欓噷鐨勨滃璞♀濅笉鍚屼簬浠ュ墠鎺ヨЕ鍒扮殑OO閲岀殑瀵硅薄錛孭ython閲岀殑瀵硅薄瀹氫箟鏇翠負騫挎硾銆備竴涓▼搴忓潡錛屼竴涓彉閲忥紝鐢氳嚦涓涓瓧絎︿覆閮藉彲浠ユ槸涓涓璞°傚叾鍏蜂綋鍚箟榪橀渶瑕佹牴鎹笂涓嬫枃鏉ュ垽鏂?br />
涓夌閲嶈鐨勫唴緗暟鎹被鍨嬶細Dictionary錛孡ist錛孴uple錛?/b>
Dictionary瀵瑰簲浜嶤++涓殑map鍜孞ava涓殑hashtable錛屼篃灝辨槸涓涓敭鍊煎闆嗗悎銆?br />List瀵瑰簲浜嶤++涓殑vector鍜宩ava涓殑ArrayList錛屼竴涓彲浠ュ姩鎬佽嚜鍔ㄦ墿灞曠殑鏁扮粍銆?br />Tuple鏄竴涓笉鍙彉鐨刲ist錛屼竴鏃﹀垱寤哄氨涓嶈兘浠ユ柟寮忔敼鍙樺畠錛屼絾鏄ソ鍦≒ython鎻愪緵浜嗗湪Tuple鍜孡ist涔嬮棿鐩鎬簰杞崲鐨勫嚱鏁般?br />闇瑕佹敞鎰忕殑鏄疞ist鍜孴uple鏄彲浠ュ瓨鍌ㄦ販鍚堢被鍨嬬殑鏁扮粍鐨勶紝騫朵笖閮藉彲浠ラ氳繃绱㈠紩鍙栧鹼紙鍖呮嫭璐熺殑绱㈠紩鍊鹼紝鍏惰〃紺轟粠閫嗗簭鍙栧鹼級

For璇彞錛?/b>
Python閲岀殑for璇彞涓嶅悓浜嶤/C++涓殑for錛屾洿綾諱技浜嶤#涓殑foreach寰幆鎴栬呮槸Java涓殑for (int i : IntArray)銆侾ython鐨刦or璇彞闇瑕侀厤鍚堜竴涓猺ange鍑芥暟浣跨敤錛屽畠鏈変笁涓弬鏁幫紝騫惰繑鍥炰竴涓猅upe鏁扮粍鐢ㄤ簬琛ㄧず绱㈠紩錛屼笁涓弬鏁版槸start,stop,step錛屼緥濡俽ange錛?錛?錛?錛夊垯榪斿洖[0錛?錛?錛?錛?]錛況ange錛?錛?錛岋紞1錛夊垯榪斿洖[5錛?錛?錛?錛?]銆?br />
瀛楃涓叉牸寮忓寲錛?/b>
涓嶤涓被浼?d錛?f錛?s絳夌瓑錛岄氳繃瀛楃涓茬殑join鍑芥暟鍙互鏂逛究鐨勫皢list鐨勫唴瀹瑰悎騫舵垚瀛楃涓層?br />
and/or錛?/b>
and鍜宱r璐熻矗鎵ц甯冨皵閫昏緫榪愮畻錛屼絾鏄畠浠笉榪斿洖甯冨皵鍊艱屾槸榪斿洖瀹冧滑瀹為檯榪涜姣旇緝鐨勫間箣涓銆傞潪絀虹殑瀵硅薄琚涓烘槸鐪燂紝絀哄璞″垯琚涓烘槸鍋囥?b>and榪愮畻浼氳繑鍥炵涓涓亣鍊鹼紝鑰宱r榪愮畻榪斿洖絎竴涓湡鍊鹼紝鍏跺畠閮ㄥ垎閮戒笉浼氳璁$畻鍒?/b>銆?br />
lambda鍑芥暟錛?/b>
涓縐嶅揩閫熷畾涔夌殑鍗曡鏈灝忓嚱鏁幫紝鍙湁涓琛岋紝綾諱技浜庡唴鑱旂殑鎰熻銆備緥濡備竴涓緥瀛愶細
ld = lambda i : i*i
ld(10) # == 100
鐞嗚涓妉ambda鍑芥暟鍙互鏈夊涓弬鏁幫紙鍖呮嫭鍙夊弬鏁幫級騫朵笖闅愬惈鐨勮繑鍥炲崟涓〃杈懼紡鐨勫箋?br />

涓ょ瀵煎叆錛坕mport錛夋柟娉曪細

Python涓湁涓ょ瀵煎叆妯″潡鐨勬柟娉曪細 import xx / from xx import yy

瀹冧滑鐨勫樊鍒湪浜庯紝from xx import yy榪欑鏂瑰紡錛寉y琚洿鎺ュ鍏ュ埌浜嗗眬閮ㄥ懡鍚嶇┖闂翠腑錛?b>綾諱技浜嶤++涓殑using
錛夛紝鍦ㄤ互鍚庝嬌鐢▂y鐨勬椂鍊欎笉鍐嶉渶瑕侊紙涓嶈兘錛夊姞涓婃ā鍧楀悕縐伴檺瀹氥備篃灝辨槸璇達紝濡傛灉浣跨敤import鏂瑰紡瀵煎叆妯″潡錛屽湪浣跨敤 瀹冮噷闈㈢殑涓涓彉閲忕殑鏃跺欙紝浣犱笉寰椾笉姣忔閮藉姞涓婂墠緙xx.鏉ヨ〃紺轟嬌鐢ㄧ殑鏄綅浜巟x妯″潡涓殑鍙橀噺錛岃屼嬌鐢╢rom瀵煎叆鏃訛紝鍒欎笉闇瑕佸姞鍏ュ墠緙銆?br />
寮傚父澶勭悊錛?/b>
Python涓嬌鐢?b>try...except
鏉ュ鐞嗗紓甯革紝浣跨敤raise鏉ュ紩鍙戝紓甯搞傚茍涓旓紝涓涓猠xcept鍚庨潰鍙互璺熶竴涓猠lse鍧楁潵琛ㄧず娌℃湁鎹曡幏棰勬湡寮傚父鏃剁殑琛屼負銆備竴涓猼ry鍧楀悗闈篃鍙互璺熶竴涓?b>finally
鍧楁潵淇濊瘉涓浜涗唬鐮佹繪槸琚墽琛屽埌錛屾瘮濡傛墦寮鏂囦歡鍚庣殑鍏抽棴鎿嶄綔銆?br />
娉ㄩ噴錛?br />Python閲屼嬌鐢?b>#
鏉ヤ綔涓哄崟閫夋敞閲婂紑濮嬬錛屼嬌鐢ㄤ笁涓啋鍙蜂綔涓哄琛屾敞閲?""content"""錛?br />闇瑕佹敞鎰忕殑鏄悗涓縐嶅艦寮忕殑娉ㄦ剰緇忓父琚敤鏉ヤ綔涓哄嚱鏁版垨鑰呯被鐨?璇存槑",鍐欏湪榪欓噷鐨勫唴瀹瑰彲浠ヨ鍏朵嬌鐢ㄨ呭綋浣滃弬鑰冩墜鍐屾潵浣跨敤錛孭tyhon閲屾墍鏈夊璞¢兘鍏鋒湁涓涓唴緗殑__doc__灞炴?/b>錛岄氳繃瀹冨彲浠ユ煡鐪嬪悇涓璞$殑璇存槑錛屽簲璇ュ吇鎴愬啓__doc__鐨勪範鎯備竴鑸叾鏍煎紡涓?b>棣栬浠ュぇ鍐欏瓧姣嶅紑濮嬶紝鍙ュ彿緇撳熬銆傜浜岃鏄┖琛岋紝浠庣涓夎寮濮嬫槸璇︾粏鐨勬弿榪?/b>銆?br />
寮曞彿錛?br />Python閲屾湁鍗曞紩鍙鳳紝鍙屽紩鍙峰拰涓夊紩鍙楓傚叾涓?b>鍗曞紩鍙峰拰鍙屽紩鍙烽兘鍙互鐢ㄦ潵琛ㄧず瀛楃涓?/b>錛屼緥濡?br />print 'string' == "string" 灝嗕細鎵撳嵃鍑篢rue
璁劇疆榪欎袱縐嶅瓧絎︿覆寮曞彿鐨勭洰鐨勬槸涓轟簡綆鍖栧紩鍙風殑琛ㄧず錛屼緥濡傚鏋滃瓧絎︿覆閲屽惈鏈夊紩鍙鋒湰韜氨闇瑕?b>浣跨敤\鏉ヨ繘琛屾爣璇?/b>錛屼緥濡傦細'let\'s go!'錛屸渉e said:\"get out!\"鈥濄?br />濡傛灉瀛楃涓查噷鍚湁澶ч噺榪欑鎯呭喌浼氭樉寰楅潪甯擱夯鐑︼紝鍙互浜ゆ浛浣跨敤鍗曞紩鍙峰拰鍙屽紩鍙鋒潵閬垮厤榪欑鎯呭喌銆備笂闈㈢殑渚嬪瓙鍙互鏀逛負錛?let's go!"錛?he said:"get out!"'銆?br />鑰屼笁寮曞彿灝辨槸鐢ㄦ潵琛ㄧず涓涓琛屽瓧絎︿覆銆傚畠浠粡甯歌鐢ㄦ潵瀹氫箟鏂囨。瀛楃涓?/b>錛屽畠鐨勯琛屼互澶у啓瀛楁瘝寮濮嬶紝鍙ュ彿緇撳熬銆傜浜岃鏄┖琛岋紝浠庣涓夎寮濮嬫槸璇︾粏鐨勬弿榪般傚緩璁粠涓寮濮嬪氨閬靛畧榪欎釜鎯緥銆?br />

浜屻侀潰鍚戝璞?/font>

綾葷殑瀹氫箟錛?/b>
浠lass寮澶達紝pass琛ㄧず緇撴潫錛堝疄闄呬笂娌℃湁鐗瑰畾鐨剈錛夛紝渚嬪涓涓畝鍗曠殑綾誨畾涔変負
class Person:
聽聽聽 pass
濡傛灉瑕佽〃紺虹戶鎵垮叧緋誨彧闇瑕佸皢鍩虹被鐢ㄦ嫭鍙峰洖鍒扮被鍚嶅悗闈㈠嵆鍙紝Python鏀寔澶氶噸緇х畫錛屾瘡涓熀綾諱腑闂翠互閫楀彿闅斿紑銆?br />class Student錛圥erson錛夛細
聽 pass
榪欓噷鐨刾ass璇彞浠呰〃紺哄崰浣嶄箣鐢紝娌℃湁鐗瑰埆鐨勫惈涔夈?br />
綾繪垚鍛樺畾涔夛細
__init__鏂規硶錛岃繖涓嚱鏁扮殑鍔熻兘寰堢被浼間簬Java鎴栬匔++涓殑鏋勯犲嚱鏁幫紝浣嗘槸浠嶅瓨鍦ㄤ竴鐐圭粏灝忕殑宸埆錛宊_init__鍑芥暟鐨勭涓涓弬鏁頒竴瀹氭槸self錛岀被浼間簬C++涓殑this鎸囬拡銆?br />__init__鏂規硶鐨勫畾涔夊茍涓嶆槸蹇呴』鐨?/b>錛屼絾鏄竴鏃︿綘瀹氫箟浜嗗畠錛屽氨蹇呴』鏄劇ず鐨?/b>璋冪敤鐖剁被鐨刜_init__鏂規硶銆?br />闇瑕佹敞鎰忕殑鏄紝鎵鏈夌殑綾繪垚鍛樻柟娉曢兘蹇呴』瀹氫箟涓涓?b>鍙傛暟錛坰elf錛?/b>錛?b>浣嗗畠鐨勫悕瀛椾笉鏄竴瀹氱殑錛屽叾浣滅敤綾諱技浜嶤++涓殑this鎸囬拡銆?br />__del__鏂規硶錛岀被浼間簬鏋愭瀯鍑芥暟錛屽湪浣跨敤del璇彞鐨勬椂鍊欒璋冪敤銆?br />
閲嶈澆錛?/b>
Python鐨勭被娌℃湁浠諱綍褰㈠紡鐨勫嚱鏁伴噸杞?/b>錛屽嵆涓涓柟娉曞悕縐板彧鑳藉搴斾竴涓柟娉曪紝濡傛灉瀛愮被涓畾涔夌殑涓庡熀綾諱腑鍚屽悕鐨勬柟娉曪紝鍒欎細灝嗗叾瑕嗙洊鎺夈?br />
鎴愬憳灞炴э細
Python涓湁涓ょ綾誨瀷鐨勬垚鍛樻柟娉曪細鏅氱被鏂規硶鍜屼笓鐢ㄧ被鏂規硶銆?br />鎴愬憳涔熸湁涓ょ璁塊棶綰у埆錛?b>鍏紑鐨勫拰縐佹湁鐨?/b>銆?br />鍏朵腑鍏紑鍜岀鏈夋垚鍛樼殑琛ㄧず娌℃湁鐗瑰埆鐨勫叧閿瓧錛屽彧鏄綋鐜扮殑鏂規硶鍚嶇О涓婏紝縐佹湁鎴愬憳鐨勫悕縐頒互涓や釜鐭皬鐨勪笅鍒掔嚎浣滀負寮濮嬩緥濡傦細
class A:
聽 __privatevalue
聽 publicvalue
聽 def __set(self, v):
聽聽聽 __privatevalue = v
聽 def get(self):
聽聽聽 return publicvalue
聽 pass
騫朵笖錛屼竴涓垚鍛樻槸灞炰簬綾葷殑榪樻槸灞炰簬瀵硅薄鐨勶紝鏄氳繃瀹氫箟榪欎釜鍙橀噺鐨勫煙鏉ョ‘瀹氱殑錛屽畾涔夊湪綾諱綋鍐呯殑鍙橀噺鐢辨墍鏈夋垚鍛樺叡浜紝閫氳繃self瀹氫箟鐨勫彉閲忓垯涓烘垚鍛樺彉閲忋?br />姝ゅ錛岀被鐨勬垚鍛樻柟娉曡繕鍒嗕負錛?b>鏅氱被鏂規硶鍜屼笓鐢ㄧ被鏂規硶
銆傛櫘閫氭柟娉曠殑瀹氫箟涓庢櫘閫氬嚱鏁板畾涔夌被浼鹼紝瀹冩槸鍏紑鐨勶紝鍦ㄧ被澶栭儴鍙互琚皟鐢ㄣ傝岀被鐨?b>涓撶敤鏂規硶
錛屾病鏈夌壒孌婄殑鍏抽敭瀛楁潵琛ㄧず錛屽彧鏄湪鏂規硶鐨勫悕縐板墠鍚庡悇鍔犱笂涓や釜鐭殑涓嬪垝綰匡紝渚嬪def __getitem__銆傝繖縐嶄笓鐢ㄦ柟娉曟槸鐢辯敤鎴鋒樉寮忚皟鐢ㄧ殑錛屽畠鏈夌偣鎿嶄綔絎﹂噸杞?/b>鐨勬剰鎬濆湪閲岄潰錛屼絾鏄姛鑳芥瘮鎿嶄綔絎﹂噸杞借寮哄ぇ涓浜涖侾ython鍏佽鎴戜滑鑷繁瀹氫箟闇瑕佺殑綾諱笓鐢ㄦ柟娉曪紝渚嬪浠諱綍瀹氫箟浜哶_cmp__鏂規硶鐨勭被灝卞彲浠ョ敤錛濓紳榪涜姣旇緝錛屼換浣曞畾涔変簡__len__鏂規硶鐨勭被灝卞彲浠ョ敤len(instance)榪涜鍙栭暱搴︺?br />
涓夈佹爣鍑嗗簱
1.鏂囦歡鎿嶄綔
Python涓湁涓涓唴緗嚱鏁皁pen鍙互鐢ㄦ潵鎵撳紑鏂囦歡
file = open("pictures/dog.bmp","rb")
open鍑芥暟鍙互鎺ュ彈涓変釜鍙傛暟錛?b>鏂囦歡鍚嶏紝妯″紡鍜岀紦鍐插尯鍙傛暟
錛屼絾鏄彧鏈夋瘡涓涓弬鏁版槸蹇呴』鐨勶紝鏂囦歡浼氶粯璁や互鏂囨湰鏂瑰紡鎵撳紑銆?br />鏂囦歡鐨勮鍙栧拰C涓被浼鹼紝tell()榪斿洖褰撳墠鏂囦歡浣嶇疆錛宻eek鏉ョЩ鍔ㄦ枃浠舵搷浣滅殑浣嶇疆銆傚叿浣撶殑鍑芥暟浣跨敤鏂規硶鍙互浣跨敤print seek.__doc__鏉ユ煡鐪?br />
澶勭悊I/O閿欒錛?br />try:
聽 file = open(filename, "rb", 0)
聽 try:
聽聽聽 file.seek(-128,2)
聽聽聽 data = file.read(128)
聽聽聽 file.seek(0,2)
聽聽聽 file.write("succeeded")
聽聽聽 finally:
聽聽聽聽聽 file.close()
聽 expect IOError:
聽聽聽 pass

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